GP3843 Datasheet, PDF (3/9 Pages) GTM CORPORATION – HIGH PERFORMANCE CURRENT MODE CONTROLERS

CORPORATION ISSUED DATE :2004/04/19
REVISED DATE :2004/09/30B
Under-Voltage Lockout Section
Startup Threshold
Min. Operating Voltage After Turn-on(Vcc)
Vth
VOPR(min)
PWM Section
Maximum Duty Cycle
Minimum Duty Cycle
DC(MAX)
DC(MIN)
Total Device
Power Startup Supply Current
Power Operating Supply Current
Power Supply Zener Voltage
ICC+IC
ICC+IC
Vz
VCC=6.5V
Note 2
ICC=25mA
7.8
8.4
9.0
V
7.0
7.6
8.2
V
94
96
%
0
%
0.2
0.3
mA
12
17
mA
30
36
V
Note 1: Maximum Package power dissipation limits must be observed.
Note 2: Adject Vcc above the Startup threshold before setting to 15V.
Note 3: This parameter is measured at the latch trip point with VFB=0V.
Note 4: Comparator gain is defined as::
V Output Compensation
AV
V Current Sense Input
Characteristics Curve
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